Component/bt: fix set scan params and start scan action

This commit is contained in:
zhiweijian 2017-09-22 17:06:08 +08:00
parent a3731902f5
commit c75da555af
12 changed files with 279 additions and 14 deletions

View file

@ -4659,6 +4659,47 @@ void bta_dm_ble_observe (tBTA_DM_MSG *p_data)
}
}
}
/*******************************************************************************
**
** Function bta_dm_ble_scan
**
** Description This function set the preferred connection scan parameters.
**
** Parameters:
**
*******************************************************************************/
void bta_dm_ble_scan (tBTA_DM_MSG *p_data)
{
tBTM_STATUS status;
if (p_data->ble_scan.start) {
/*Save the callback to be called when a scan results are available */
bta_dm_search_cb.p_scan_cback = p_data->ble_scan.p_cback;
if ((status = BTM_BleScan(TRUE, p_data->ble_scan.duration,
bta_dm_observe_results_cb, bta_dm_observe_cmpl_cb)) != BTM_CMD_STARTED) {
APPL_TRACE_WARNING(" %s start scan failed. status=0x%x\n", __FUNCTION__, status);
}
if (p_data->ble_scan.p_start_scan_cback) {
status = (status == BTM_CMD_STARTED ? BTA_SUCCESS : BTA_FAILURE);
p_data->ble_scan.p_start_scan_cback(status);
}
} else {
bta_dm_search_cb.p_scan_cback = NULL;
status = BTM_BleScan(FALSE, 0, NULL, NULL);
if (status != BTM_CMD_STARTED){
APPL_TRACE_WARNING(" %s stop scan failed, status=0x%x\n", __FUNCTION__, status);
}
if (p_data->ble_scan.p_stop_scan_cback) {
status = (status == BTM_CMD_STARTED ? BTA_SUCCESS : BTA_FAILURE);
p_data->ble_scan.p_stop_scan_cback(status);
}
}
}
/*******************************************************************************
**
** Function bta_dm_ble_set_adv_params

View file

@ -2209,6 +2209,47 @@ extern void BTA_DmBleObserve(BOOLEAN start, UINT32 duration,
}
}
/*******************************************************************************
**
** Function BTA_DmBleScan
**
** Description This procedure keep the device listening for advertising
** events from a broadcast device.
**
** Parameters start: start or stop scan.
**
** Returns void
**
** Returns void.
**
*******************************************************************************/
extern void BTA_DmBleScan(BOOLEAN start, UINT32 duration,
tBTA_DM_SEARCH_CBACK *p_results_cb,
tBTA_START_STOP_SCAN_CMPL_CBACK *p_start_stop_scan_cb)
{
tBTA_DM_API_BLE_SCAN *p_msg;
APPL_TRACE_API("BTA_DmBleScan:start = %d ", start);
if ((p_msg = (tBTA_DM_API_BLE_SCAN *) osi_malloc(sizeof(tBTA_DM_API_BLE_SCAN))) != NULL) {
memset(p_msg, 0, sizeof(tBTA_DM_API_BLE_SCAN));
p_msg->hdr.event = BTA_DM_API_BLE_SCAN_EVT;
p_msg->start = start;
p_msg->duration = duration;
p_msg->p_cback = p_results_cb;
if (start){
p_msg->p_start_scan_cback = p_start_stop_scan_cb;
}
else {
p_msg->p_stop_scan_cback = p_start_stop_scan_cb;
}
bta_sys_sendmsg(p_msg);
}
}
/*******************************************************************************
**
** Function BTA_DmBleStopAdvertising

View file

@ -97,6 +97,7 @@ enum {
support the scan filter setting for the APP******/
BTA_DM_API_BLE_SCAN_FIL_PARAM_EVT,
BTA_DM_API_BLE_OBSERVE_EVT,
BTA_DM_API_BLE_SCAN_EVT,
BTA_DM_API_UPDATE_CONN_PARAM_EVT,
/*******This event added by Yulong at 2016/9/9 to
support the random address setting for the APP******/
@ -506,6 +507,17 @@ typedef struct {
tBTA_START_STOP_ADV_CMPL_CBACK *p_stop_adv_cback;
} tBTA_DM_API_BLE_OBSERVE;
/* Data type for start/stop scan */
typedef struct {
BT_HDR hdr;
BOOLEAN start;
UINT32 duration;
tBTA_DM_SEARCH_CBACK *p_cback;
tBTA_START_STOP_SCAN_CMPL_CBACK *p_start_scan_cback;
tBTA_START_STOP_SCAN_CMPL_CBACK *p_stop_scan_cback;
tBTA_START_STOP_ADV_CMPL_CBACK *p_stop_adv_cback;
} tBTA_DM_API_BLE_SCAN;
typedef struct {
BT_HDR hdr;
BD_ADDR remote_bda;
@ -758,6 +770,7 @@ typedef union {
tBTA_DM_API_BLE_SCAN_PARAMS ble_set_scan_params;
tBTA_DM_API_BLE_SCAN_FILTER_PARAMS ble_set_scan_fil_params;
tBTA_DM_API_BLE_OBSERVE ble_observe;
tBTA_DM_API_BLE_SCAN ble_scan;
tBTA_DM_API_ENABLE_PRIVACY ble_remote_privacy;
tBTA_DM_API_LOCAL_PRIVACY ble_local_privacy;
tBTA_DM_API_BLE_ADV_PARAMS ble_set_adv_params;
@ -1158,6 +1171,7 @@ extern void bta_dm_ble_set_conn_scan_params (tBTA_DM_MSG *p_data);
extern void bta_dm_close_gatt_conn(tBTA_DM_MSG *p_data);
#endif /* ((defined BTA_GATT_INCLUDED) && (BTA_GATT_INCLUDED == TRUE) && SDP_INCLUDED == TRUE) && (GATTC_INCLUDED == TRUE) */
extern void bta_dm_ble_observe (tBTA_DM_MSG *p_data);
extern void bta_dm_ble_scan (tBTA_DM_MSG *p_data);
extern void bta_dm_ble_update_conn_params (tBTA_DM_MSG *p_data);
extern void bta_dm_ble_disconnect (tBTA_DM_MSG *p_data);
extern void bta_dm_ble_set_rand_address(tBTA_DM_MSG *p_data);

View file

@ -91,6 +91,7 @@ const tBTA_DM_ACTION bta_dm_action[BTA_DM_MAX_EVT] = {
bta_dm_ble_set_scan_params, /* BTA_DM_API_BLE_SCAN_PARAM_EVT */
bta_dm_ble_set_scan_fil_params, /* BTA_DM_API_BLE_SCAN_FIL_PARAM_EVT */
bta_dm_ble_observe, /* BTA_DM_API_BLE_OBSERVE_EVT*/
bta_dm_ble_scan, /* BTA_DM_API_BLE_SCAN_EVT */
bta_dm_ble_update_conn_params, /* BTA_DM_API_UPDATE_CONN_PARAM_EVT */
/* This handler function added by
Yulong at 2016/9/9 to support the

View file

@ -2034,6 +2034,24 @@ extern void BTA_DmBleObserve(BOOLEAN start, UINT32 duration,
tBTA_DM_SEARCH_CBACK *p_results_cb,
tBTA_START_STOP_SCAN_CMPL_CBACK *p_start_stop_scan_cb);
/*******************************************************************************
**
** Function BTA_DmBleScan
**
** Description This procedure keep the device listening for advertising
** events from a broadcast device.
**
** Parameters start: start or stop observe.
** duration : Duration of the scan. Continuous scan if 0 is passed
** p_results_cb: Callback to be called with scan results
**
** Returns void
**
*******************************************************************************/
extern void BTA_DmBleScan(BOOLEAN start, UINT32 duration,
tBTA_DM_SEARCH_CBACK *p_results_cb,
tBTA_START_STOP_SCAN_CMPL_CBACK *p_start_stop_scan_cb);
extern void BTA_DmBleStopAdvertising(void);
extern void BTA_DmSetRandAddress(BD_ADDR rand_addr);

View file

@ -542,8 +542,8 @@ static void btc_ble_set_scan_params(esp_ble_scan_params_t *scan_params, tBLE_SCA
scan_params->scan_interval,
scan_params->scan_window,
scan_params->scan_type,
scan_params->own_addr_type,
scan_params->scan_filter_policy,
scan_params->own_addr_type,
scan_param_setup_cback);
} else {
btc_scan_params_callback(ESP_DEFAULT_GATT_IF, BTM_ILLEGAL_VALUE);
@ -741,17 +741,17 @@ static void btc_ble_start_scanning(uint32_t duration,
tBTA_START_STOP_SCAN_CMPL_CBACK *start_scan_cb)
{
if ((results_cb != NULL) && (start_scan_cb != NULL)) {
///Start scan the device
BTA_DmBleObserve(true, duration, results_cb, start_scan_cb);
//Start scan the device
BTA_DmBleScan(true, duration, results_cb, start_scan_cb);
} else {
LOG_ERROR("The scan duration or p_results_cb invalid\n");
LOG_ERROR("The start_scan_cb or results_cb invalid\n");
}
}
static void btc_ble_stop_scanning(tBTA_START_STOP_SCAN_CMPL_CBACK *stop_scan_cb)
{
uint8_t duration = 0;
BTA_DmBleObserve(false, duration, NULL, stop_scan_cb);
BTA_DmBleScan(false, duration, NULL, stop_scan_cb);
}

View file

@ -74,10 +74,12 @@ static UINT8 btm_set_conn_mode_adv_init_addr(tBTM_BLE_INQ_CB *p_cb,
tBLE_ADDR_TYPE *p_peer_addr_type,
tBLE_ADDR_TYPE *p_own_addr_type);
static void btm_ble_stop_observe(void);
static void btm_ble_stop_discover(void);
#define BTM_BLE_INQ_RESULT 0x01
#define BTM_BLE_OBS_RESULT 0x02
#define BTM_BLE_SEL_CONN_RESULT 0x04
#define BTM_BLE_DISCO_RESULT 0x08
/* LE states combo bit to check */
const UINT8 btm_le_state_combo_tbl[BTM_BLE_STATE_MAX][BTM_BLE_STATE_MAX][2] = {
@ -424,6 +426,84 @@ tBTM_STATUS BTM_BleObserve(BOOLEAN start, UINT32 duration,
}
/*******************************************************************************
**
** Function BTM_BleScan
**
** Description This procedure keep the device listening for advertising
** events from a broadcast device.
**
** Parameters start: start or stop scan.
** white_list: use white list in observer mode or not.
**
** Returns void
**
*******************************************************************************/
tBTM_STATUS BTM_BleScan(BOOLEAN start, UINT32 duration,
tBTM_INQ_RESULTS_CB *p_results_cb, tBTM_CMPL_CB *p_cmpl_cb)
{
tBTM_BLE_INQ_CB *p_inq = &btm_cb.ble_ctr_cb.inq_var;
tBTM_STATUS status = BTM_WRONG_MODE;
if (!controller_get_interface()->supports_ble()) {
return BTM_ILLEGAL_VALUE;
}
if (start) {
/* shared inquiry database, do not allow scan if any inquiry is active */
if (BTM_BLE_IS_DISCO_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) {
BTM_TRACE_ERROR("%s scan already active", __func__);
return status;
}
btm_cb.ble_ctr_cb.p_scan_results_cb = p_results_cb;
btm_cb.ble_ctr_cb.p_scan_cmpl_cb = p_cmpl_cb;
status = BTM_CMD_STARTED;
/* scan is not started */
if (!BTM_BLE_IS_SCAN_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) {
/* assume observe always not using white list */
#if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
/* enable resolving list */
btm_ble_enable_resolving_list_for_platform(BTM_BLE_RL_SCAN);
#endif
// if not set scan params, set defalult scan params
if (!p_inq->scan_params_set)
{
/* allow config of scan type */
p_inq->scan_type = BTM_BLE_SCAN_MODE_ACTI;
p_inq->scan_interval = BTM_BLE_GAP_DISC_SCAN_INT;
p_inq->scan_window = BTM_BLE_GAP_DISC_SCAN_WIN;
p_inq->sfp = BTM_BLE_DEFAULT_SFP;
p_inq->scan_params_set = TRUE;
btsnd_hcic_ble_set_scan_params(p_inq->scan_type, p_inq->scan_interval,
p_inq->scan_window,
btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type,
p_inq->sfp);
}
p_inq->scan_duplicate_filter = BTM_BLE_DUPLICATE_DISABLE;
status = btm_ble_start_scan();
}
if (status == BTM_CMD_STARTED) {
btm_cb.ble_ctr_cb.scan_activity |= BTM_LE_DISCOVER_ACTIVE;
if (duration != 0)
/* start observer timer */
{
btu_start_timer (&btm_cb.ble_ctr_cb.scan_timer_ent, BTU_TTYPE_BLE_SCAN, duration);
}
}
} else if (BTM_BLE_IS_DISCO_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) {
status = BTM_CMD_STARTED;
btm_ble_stop_discover();
} else {
BTM_TRACE_ERROR("%s scan not active\n", __func__);
}
return status;
}
/*******************************************************************************
**
** Function BTM_BleBroadcast
@ -1263,6 +1343,7 @@ void BTM_BleSetScanFilterParams(tGATT_IF client_if, UINT32 scan_interval, UINT32
p_cb->scan_interval = scan_interval;
p_cb->scan_window = scan_window;
p_cb->sfp = scan_filter_policy;
p_cb->scan_params_set = TRUE;
btsnd_hcic_ble_set_scan_params(p_cb->scan_type, (UINT16)scan_interval,
(UINT16)scan_window,
@ -2470,6 +2551,10 @@ UINT8 btm_ble_is_discoverable(BD_ADDR bda, UINT8 evt_type, UINT8 *p)
if (BTM_BLE_IS_OBS_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) {
rt |= BTM_BLE_OBS_RESULT;
}
/* for discover, always "discoverable */
if (BTM_BLE_IS_DISCO_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) {
rt |= BTM_BLE_DISCO_RESULT;
}
if (BTM_BLE_IS_SEL_CONN_ACTIVE(btm_cb.ble_ctr_cb.scan_activity) &&
(evt_type == BTM_BLE_CONNECT_EVT || evt_type == BTM_BLE_CONNECT_DIR_EVT)) {
@ -2884,10 +2969,12 @@ void btm_ble_process_adv_pkt (UINT8 *p_data)
*******************************************************************************/
static void btm_ble_process_adv_pkt_cont(BD_ADDR bda, UINT8 addr_type, UINT8 evt_type, UINT8 *p)
{
tINQ_DB_ENT *p_i;
tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
tBTM_INQ_RESULTS_CB *p_inq_results_cb = p_inq->p_inq_results_cb;
tBTM_INQ_RESULTS_CB *p_obs_results_cb = btm_cb.ble_ctr_cb.p_obs_results_cb;
tBTM_INQ_RESULTS_CB *p_scan_results_cb = btm_cb.ble_ctr_cb.p_scan_results_cb;
tBTM_BLE_INQ_CB *p_le_inq_cb = &btm_cb.ble_ctr_cb.inq_var;
BOOLEAN update = TRUE;
UINT8 result = 0;
@ -2902,7 +2989,7 @@ static void btm_ble_process_adv_pkt_cont(BD_ADDR bda, UINT8 addr_type, UINT8 evt
/* scan repsonse to be updated */
(!p_i->scan_rsp))) {
update = TRUE;
} else if (BTM_BLE_IS_OBS_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) {
} else if (BTM_BLE_IS_DISCO_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) {
update = FALSE;
} else {
/* if yes, skip it */
@ -2968,6 +3055,9 @@ static void btm_ble_process_adv_pkt_cont(BD_ADDR bda, UINT8 addr_type, UINT8 evt
if (p_obs_results_cb && (result & BTM_BLE_OBS_RESULT)) {
(p_obs_results_cb)((tBTM_INQ_RESULTS *) &p_i->inq_info.results, p_le_inq_cb->adv_data_cache);
}
if (p_scan_results_cb && (result & BTM_BLE_DISCO_RESULT)) {
(p_scan_results_cb)((tBTM_INQ_RESULTS *) &p_i->inq_info.results, p_le_inq_cb->adv_data_cache);
}
}
}
@ -3088,6 +3178,41 @@ static void btm_ble_stop_observe(void)
(p_obs_cb)((tBTM_INQUIRY_CMPL *) &btm_cb.btm_inq_vars.inq_cmpl_info);
}
}
/*******************************************************************************
**
** Function btm_ble_stop_observe
**
** Description Stop the BLE Observe.
**
** Returns void
**
*******************************************************************************/
static void btm_ble_stop_discover(void)
{
tBTM_BLE_CB *p_ble_cb = & btm_cb.ble_ctr_cb;
tBTM_CMPL_CB *p_scan_cb = p_ble_cb->p_scan_cmpl_cb;
btu_stop_timer (&p_ble_cb->scan_timer_ent);
p_ble_cb->scan_activity &= ~BTM_LE_DISCOVER_ACTIVE;
p_ble_cb->p_scan_results_cb = NULL;
p_ble_cb->p_scan_cmpl_cb = NULL;
if (!BTM_BLE_IS_SCAN_ACTIVE(p_ble_cb->scan_activity)) {
/* Clear the inquiry callback if set */
btm_cb.ble_ctr_cb.inq_var.scan_type = BTM_BLE_SCAN_MODE_NONE;
btm_cb.ble_ctr_cb.inq_var.state = BTM_BLE_STOP_SCAN;
/* stop discovery now */
btsnd_hcic_ble_set_scan_enable (BTM_BLE_SCAN_DISABLE, BTM_BLE_DUPLICATE_ENABLE);
}
if (p_scan_cb) {
(p_scan_cb)((tBTM_INQUIRY_CMPL *) &btm_cb.btm_inq_vars.inq_cmpl_info);
}
}
/*******************************************************************************
**
** Function btm_ble_adv_states_operation
@ -3260,7 +3385,9 @@ void btm_ble_timeout(TIMER_LIST_ENT *p_tle)
case BTU_TTYPE_BLE_OBSERVE:
btm_ble_stop_observe();
break;
case BTU_TTYPE_BLE_SCAN:
btm_ble_stop_discover();
break;
case BTU_TTYPE_BLE_INQUIRY:
btm_ble_stop_inquiry();
break;

View file

@ -385,6 +385,7 @@ static void btu_general_alarm_process(TIMER_LIST_ENT *p_tle)
case BTU_TTYPE_BLE_GAP_LIM_DISC:
case BTU_TTYPE_BLE_RANDOM_ADDR:
case BTU_TTYPE_BLE_GAP_FAST_ADV:
case BTU_TTYPE_BLE_SCAN:
case BTU_TTYPE_BLE_OBSERVE:
btm_ble_timeout(p_tle);
break;

View file

@ -234,7 +234,7 @@ typedef void (tBTM_SET_LOCAL_PRIVACY_CBACK) (UINT8 status);
/* inquiry activity mask */
#define BTM_BR_INQ_ACTIVE_MASK (BTM_GENERAL_INQUIRY_ACTIVE|BTM_LIMITED_INQUIRY_ACTIVE|BTM_PERIODIC_INQUIRY_ACTIVE) /* BR/EDR inquiry activity mask */
#define BTM_BLE_SCAN_ACTIVE_MASK 0xF0 /* LE scan activity mask */
#define BTM_BLE_SCAN_ACTIVE_MASK 0x01F0 /* LE scan activity mask */
#define BTM_BLE_INQ_ACTIVE_MASK (BTM_LE_GENERAL_INQUIRY_ACTIVE|BTM_LE_LIMITED_INQUIRY_ACTIVE) /* LE inquiry activity mask*/
#define BTM_INQUIRY_ACTIVE_MASK (BTM_BR_INQ_ACTIVE_MASK | BTM_BLE_INQ_ACTIVE_MASK) /* inquiry activity mask */

View file

@ -1207,6 +1207,22 @@ tBTM_STATUS BTM_BleWriteScanRspRaw(UINT8 *p_raw_scan_rsp, UINT32 raw_scan_rsp_le
tBTM_STATUS BTM_BleObserve(BOOLEAN start, UINT32 duration,
tBTM_INQ_RESULTS_CB *p_results_cb, tBTM_CMPL_CB *p_cmpl_cb);
/*******************************************************************************
**
** Function BTM_BleScan
**
** Description This procedure keep the device listening for advertising
** events from a broadcast device.
**
** Parameters start: start or stop scan.
**
** Returns void
**
*******************************************************************************/
//extern
tBTM_STATUS BTM_BleScan(BOOLEAN start, UINT32 duration,
tBTM_INQ_RESULTS_CB *p_results_cb, tBTM_CMPL_CB *p_cmpl_cb);
/*******************************************************************************
**

View file

@ -86,13 +86,15 @@ typedef UINT8 tBTM_BLE_SEC_REQ_ACT;
#define BTM_BLE_IS_RESOLVE_BDA(x) ((x[0] & BLE_RESOLVE_ADDR_MASK) == BLE_RESOLVE_ADDR_MSB)
/* LE scan activity bit mask, continue with LE inquiry bits */
#define BTM_LE_SELECT_CONN_ACTIVE 0x40 /* selection connection is in progress */
#define BTM_LE_OBSERVE_ACTIVE 0x80 /* observe is in progress */
#define BTM_LE_SELECT_CONN_ACTIVE 0x0040 /* selection connection is in progress */
#define BTM_LE_OBSERVE_ACTIVE 0x0080 /* observe is in progress */
#define BTM_LE_DISCOVER_ACTIVE 0x0100 /* scan is in progress */
/* BLE scan activity mask checking */
#define BTM_BLE_IS_SCAN_ACTIVE(x) ((x) & BTM_BLE_SCAN_ACTIVE_MASK)
#define BTM_BLE_IS_INQ_ACTIVE(x) ((x) & BTM_BLE_INQUIRY_MASK)
#define BTM_BLE_IS_OBS_ACTIVE(x) ((x) & BTM_LE_OBSERVE_ACTIVE)
#define BTM_BLE_IS_DISCO_ACTIVE(x) ((x) & BTM_LE_DISCOVER_ACTIVE)
#define BTM_BLE_IS_SEL_CONN_ACTIVE(x) ((x) & BTM_LE_SELECT_CONN_ACTIVE)
/* BLE ADDR type ID bit */
@ -136,6 +138,7 @@ typedef struct {
typedef struct {
UINT16 discoverable_mode;
UINT16 connectable_mode;
BOOLEAN scan_params_set;
UINT32 scan_window;
UINT32 scan_interval;
UINT8 scan_type; /* current scan type: active or passive */
@ -294,7 +297,7 @@ typedef void (tBTM_DATA_LENGTH_CHANGE_CBACK) (UINT16 max_tx_length, UINT16 max_r
/* Define BLE Device Management control structure
*/
typedef struct {
UINT8 scan_activity; /* LE scan activity mask */
UINT16 scan_activity; /* LE scan activity mask */
/*****************************************************
** BLE Inquiry
@ -306,6 +309,11 @@ typedef struct {
tBTM_CMPL_CB *p_obs_cmpl_cb;
TIMER_LIST_ENT obs_timer_ent;
/* scan callback and timer */
tBTM_INQ_RESULTS_CB *p_scan_results_cb;
tBTM_CMPL_CB *p_scan_cmpl_cb;
TIMER_LIST_ENT scan_timer_ent;
/* background connection procedure cb value */
tBTM_BLE_CONN_TYPE bg_conn_type;
UINT32 scan_int;
@ -357,7 +365,6 @@ tBTM_STATUS btm_ble_start_inquiry (UINT8 mode, UINT8 duration);
void btm_ble_stop_scan(void);
void btm_clear_all_pending_le_entry(void);
void btm_ble_stop_scan();
BOOLEAN btm_ble_send_extended_scan_params(UINT8 scan_type, UINT32 scan_int,
UINT32 scan_win, UINT8 addr_type_own,
UINT8 scan_filter_policy);

View file

@ -160,9 +160,8 @@ typedef void (*tBTU_EVENT_CALLBACK)(BT_HDR *p_hdr);
#define BTU_TTYPE_BLE_GAP_FAST_ADV 106
#define BTU_TTYPE_BLE_OBSERVE 107
#define BTU_TTYPE_UCD_TO 108
#define BTU_TTYPE_BLE_SCAN 109
/* This is the inquiry response information held by BTU, and available